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Which value represents the zero of the linear function

Y= -3x + 21?
A.-24
B.-7
C.7
D.18

User ManueGE
by
6.5k points

1 Answer

2 votes
Y = -3x + 21
When y = 0
0 = -3x + 21
3x = 21
x = ( 21/3)
x = 7
User Emreturka
by
6.1k points
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